Other Distance

Welcome to the Roost Rebellion Relays! Assemble your fastest 4 x 1 mile relay team to race in Washington Park. Each team needs to be co-ed with at least 2 […]

Join us for the 1876 Centennial Run (3.76k/5k/10k/18.76k Challenge), at the New Belgium Ranger Station in Snowmass on August 7 & 8, 2026 In honor of the State of Colorado’s […]

July 4th is celebrated in a number of different ways, with parades, barbecues, sparklers and fireworks, BUT there has been no better way since 2008, to get your July 4th […]

Distances: 50k (9 hour cutoff) and 16 mile (7 hour cutoff) and 5 mile (New!)

A Colorado end-of-summer outdoor celebration! Come celebrate the beginning of fall in the mountains with a trail running challenge! An exciting day of festival fun and adventure on the trails […]

The Colleen De Reuck Cross Country Classic is a XC meet honoring one of the world’s greatest ever distance athletes and Boulder local, Colleen De Reuck. Every year we will celebrate […]

EVENTS 9:00AM 10 YEARS & UNDER – 1K 9:15AM 16 YEARS & UNDER – 3K (1 x 1K + 1 x 2K) 9:40AM OPEN – 5K (1 x 1K + […]

Weaving and rambling across the various rolling hills of Staunton State Park, the Sawmill Trail Runs serve as the ultimate test for December running. Runners will enjoy a single loop […]

This event is an HPRS “Trail Party,” designed to promote community and provide runners of all abilities an opportunity to enjoy trail and ultra running in a fun, stress free, […]